diff --git a/structure-learn/serialization-learn/pom.xml b/structure-learn/serialization-learn/pom.xml
index cf805a8..6fff003 100644
--- a/structure-learn/serialization-learn/pom.xml
+++ b/structure-learn/serialization-learn/pom.xml
@@ -27,7 +27,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.68</version>
+            <version>1.2.83</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>